Submergence jokes

I bet my friend $5 that he would die drowning.

A depressing but satisfying victory.

Did you know the pool in the Titanic is still full?

Titanic was sinking.

Passenger: "How far are we from land?"

Captain: "Two miles."

Passenger: "Which direction?"

Captain: "Down."

What's long, black and full of seamen? A submarine.

A blonde, a redhead, and a brunette were stuck on an island, and the closest populated island was 100km away. So in turn, they try to swim to the island. The brunette swims 10 km then drowns. The redhead swims 30 km then drowns. The blonde swims 50 km then gets tired so she swims back.